SEIKO PROSPEX SBDC083

Caliber No: 6R35 Drive system: mechanical, automatic (with manual winding) Accuracy: +25 seconds to -15 seconds per day Operation period: lasts about 70 hours at maximum winding Case material: stainless steel Glass material: sapphire Lumibright: yes (hands and indexes) Middle retention: one-push diver extender method Water resistance: 200 m submersible waterproof Anti-magnetic resistance: Yes Case size: 12.9 mm thick, 45 mm wide, 52.6 mm long Weight: 188.5 g Arm circumference length (maximum): 190mm